1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* Test binary printf formats.
Copyright (C) 2021-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include <libc-diag.h>
#include <support/check.h>
/* GCC does not know the %b or %B formats before GCC 12. */
DIAG_PUSH_NEEDS_COMMENT;
#if !__GNUC_PREREQ (12, 0)
DIAG_IGNORE_NEEDS_COMMENT (11, "-Wformat");
DIAG_IGNORE_NEEDS_COMMENT (11, "-Wformat-extra-args");
#endif
#define CHECK_PRINTF(EXPECTED, FMT, ...) \
do \
{ \
int ret = SNPRINTF (buf, sizeof buf / sizeof buf[0], L_(FMT), \
__VA_ARGS__); \
TEST_COMPARE_STRING_MACRO (buf, L_(EXPECTED)); \
TEST_COMPARE (ret, STRLEN (L_(EXPECTED))); \
} \
while (0)
static int
do_test (void)
{
CHAR buf[1024];
CHECK_PRINTF ("0", "%b", 0u);
CHECK_PRINTF ("0", "%B", 0u);
CHECK_PRINTF ("0", "%#b", 0u);
CHECK_PRINTF ("0", "%#B", 0u);
CHECK_PRINTF ("1", "%b", 1u);
CHECK_PRINTF ("1", "%B", 1u);
CHECK_PRINTF ("10", "%b", 2u);
CHECK_PRINTF ("10", "%B", 2u);
CHECK_PRINTF ("11", "%b", 3u);
CHECK_PRINTF ("11", "%B", 3u);
CHECK_PRINTF ("10000111011001010100001100100001", "%b", 0x87654321);
CHECK_PRINTF ("10000111011001010100001100100001", "%B", 0x87654321);
CHECK_PRINTF ("100001100100001", "%hb", (int) 0x87654321);
CHECK_PRINTF ("100001100100001", "%hB", (int) 0x87654321);
CHECK_PRINTF ("100001", "%hhb", (int) 0x87654321);
CHECK_PRINTF ("100001", "%hhB", (int) 0x87654321);
CHECK_PRINTF ("10000111011001010100001100100001", "%lb", 0x87654321ul);
CHECK_PRINTF ("10000111011001010100001100100001", "%lB", 0x87654321ul);
CHECK_PRINTF ("11111110110111001011101010011001"
"10000111011001010100001100100001", "%llb",
0xfedcba9987654321ull);
CHECK_PRINTF ("11111110110111001011101010011001"
"10000111011001010100001100100001", "%llB",
0xfedcba9987654321ull);
#if LONG_WIDTH >= 64
CHECK_PRINTF ("11111110110111001011101010011001"
"10000111011001010100001100100001", "%lb",
0xfedcba9987654321ul);
CHECK_PRINTF ("11111110110111001011101010011001"
"10000111011001010100001100100001", "%lB",
0xfedcba9987654321ul);
#endif
CHECK_PRINTF (" 1010", "%5b", 10u);
CHECK_PRINTF (" 1010", "%5B", 10u);
CHECK_PRINTF ("01010", "%05b", 10u);
CHECK_PRINTF ("01010", "%05B", 10u);
CHECK_PRINTF ("1011 ", "%-5b", 11u);
CHECK_PRINTF ("1011 ", "%-5B", 11u);
CHECK_PRINTF ("0b10011", "%#b", 19u);
CHECK_PRINTF ("0B10011", "%#B", 19u);
CHECK_PRINTF (" 0b10011", "%#10b", 19u);
CHECK_PRINTF (" 0B10011", "%#10B", 19u);
CHECK_PRINTF ("0b00010011", "%0#10b", 19u);
CHECK_PRINTF ("0B00010011", "%0#10B", 19u);
CHECK_PRINTF ("0b00010011", "%#010b", 19u);
CHECK_PRINTF ("0B00010011", "%#010B", 19u);
CHECK_PRINTF ("0b10011 ", "%#-10b", 19u);
CHECK_PRINTF ("0B10011 ", "%#-10B", 19u);
CHECK_PRINTF ("00010011", "%.8b", 19u);
CHECK_PRINTF ("00010011", "%.8B", 19u);
CHECK_PRINTF ("0b00010011", "%#.8b", 19u);
CHECK_PRINTF ("0B00010011", "%#.8B", 19u);
CHECK_PRINTF (" 00010011", "%15.8b", 19u);
CHECK_PRINTF (" 00010011", "%15.8B", 19u);
CHECK_PRINTF ("00010011 ", "%-15.8b", 19u);
CHECK_PRINTF ("00010011 ", "%-15.8B", 19u);
CHECK_PRINTF (" 0b00010011", "%#15.8b", 19u);
CHECK_PRINTF (" 0B00010011", "%#15.8B", 19u);
CHECK_PRINTF ("0b00010011 ", "%-#15.8b", 19u);
CHECK_PRINTF ("0B00010011 ", "%-#15.8B", 19u);
/* GCC diagnoses ignored flags. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (12, "-Wformat");
/* '0' flag ignored with '-'. */
CHECK_PRINTF ("1011 ", "%0-5b", 11u);
CHECK_PRINTF ("1011 ", "%0-5B", 11u);
CHECK_PRINTF ("0b10011 ", "%#0-10b", 19u);
CHECK_PRINTF ("0B10011 ", "%#0-10B", 19u);
/* '0' flag ignored with precision. */
CHECK_PRINTF (" 00010011", "%015.8b", 19u);
CHECK_PRINTF (" 00010011", "%015.8B", 19u);
CHECK_PRINTF (" 0b00010011", "%0#15.8b", 19u);
CHECK_PRINTF (" 0B00010011", "%0#15.8B", 19u);
DIAG_POP_NEEDS_COMMENT;
/* Test positional argument handling. */
CHECK_PRINTF ("test 1011 test2 100010001000100010001000100010001",
"%2$s %1$b %4$s %3$llb", 11u, "test", 0x111111111ull, "test2");
return 0;
}
DIAG_POP_NEEDS_COMMENT;
#include <support/test-driver.c>
|
